Add *.js export variants for compat files (#14595)

In v3 it was possible to import `*.js` variants of compat files, e.g.
`tailwindcss/plugin.js` in addition to `tailwindcss/plugin`. We need to
properly map the exports to support this.

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Add support for `tailwindcss/colors.js`, `tailwindcss/defaultTheme.js`, and `tailwindcss/plugin.js` exports ([#14595](https://github.com/tailwindlabs/tailwindcss/pull/14595))
 - Support `keyframes` in JS config file themes ([14594](https://github.com/tailwindlabs/tailwindcss/pull/14594))
 
 ### Fixed

packages/tailwindcss/package.json

@@ -27,14 +27,26 @@
       "require": "./src/compat/colors.cts",
       "import": "./src/compat/colors.ts"
     },
+    "./colors.js": {
+      "require": "./src/compat/colors.cts",
+      "import": "./src/compat/colors.ts"
+    },
     "./defaultTheme": {
       "require": "./src/compat/default-theme.cts",
       "import": "./src/compat/default-theme.ts"
     },
+    "./defaultTheme.js": {
+      "require": "./src/compat/default-theme.cts",
+      "import": "./src/compat/default-theme.ts"
+    },
     "./plugin": {
       "require": "./src/plugin.cts",
       "import": "./src/plugin.ts"
     },
+    "./plugin.js": {
+      "require": "./src/plugin.cts",
+      "import": "./src/plugin.ts"
+    },
     "./package.json": "./package.json",
     "./index.css": "./index.css",
     "./index": "./index.css",
@@ -59,14 +71,26 @@
         "require": "./dist/plugin.js",
         "import": "./dist/plugin.mjs"
       },
+      "./plugin.js": {
+        "require": "./dist/plugin.js",
+        "import": "./dist/plugin.mjs"
+      },
       "./defaultTheme": {
         "require": "./dist/default-theme.js",
         "import": "./dist/default-theme.mjs"
       },
+      "./defaultTheme.js": {
+        "require": "./dist/default-theme.js",
+        "import": "./dist/default-theme.mjs"
+      },
       "./colors": {
         "require": "./dist/colors.js",
         "import": "./dist/colors.mjs"
       },
+      "./colors.js": {
+        "require": "./dist/colors.js",
+        "import": "./dist/colors.mjs"
+      },
       "./package.json": "./package.json",
       "./index.css": "./index.css",
       "./index": "./index.css",